OpenTechnical

OT-2026-000090910

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090910) never changes.

Identity and time

Publication numberOT-2026-000090910 · never reused
Internal UUID01a0ae9c-c011-7a66-8b96-babc37bf83cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090910
StatusPUBLIC

Content hashes

Canonical texta885c157307a49954ef8743a3b5d4b791aa78caea49d959b2420da789c4cb758
Markdown69dd697746ff9e57a31ff2c13d5089307ddd2d71a8ebc9fa0aab637b503667a0
PDF
Publication pagef6faa4e855c5911334807e405bd472e6e6f29f00797f0e0933e6b0ad40e62cd8
Manifest100457a4be9f29b6371bdd31d14b869d41f01a67197904f01092bdddee8f3003

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturew74gMcaj/NJcTQ74+zomwVvDiZ/3V4nT4Z0HSybCTa5epxW68gBcdjJirRtyEn3234Mm/4EsedLO0mHh23XWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:07.235045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090910
observed f6faa4e855c5911334807e405bd472e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.217980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090910/manifest.json
observed 100457a4be9f29b6371bdd31d14b869d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.199443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090910/publication.md
observed 69dd697746ff9e57a31ff2c13d508930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.181542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090910/publication.txt
observed a885c157307a49954ef8743a3b5d4b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.